管理学 数据字典 释 data dictionary 数据字典 对数据流程图中数据项、数据结构、数据流、处理逻辑、数据存储和外部实体进行定义和描述的工具。是系统设计阶段数据库设计的重要依据、信息系统分析阶段的重要工具。 理学 数据库运行管理 释 data dictionary 数据字典 有关数据库系统中各种数据的描述信息和控制信息的集合，而不是数据本身。又称描述数据库或元数据库。
数据库 数据库管理系统及其实现技术 释文 data dictionary, DD 数据字典
- national innovation information support system
- National Innovation League in Cultural Heritage Conservation Science and Technology Region
- national innovation system
- National Innovation Systems,NIS
- National Institute for Ceremony
- National Institute for Compilation and Translation
- National Institute for Foreign Legal History
- National Institute of Advanced Industrial Science and Technology，Japan
- National Institute of Biological Sciences, Beijing
- National Institute of Cultural Development in Wuhan University
- National Institute of Dramatic Art
- National Institute of Fisheries Science
- National Institute of Metrology
- National Institute of Nuclear Physics
- National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention
- National Institute of Radiological Sciences
- National Institute of Science and Technology Policy
- National Institute of Science Communication and Information Resources
- National Institute of Standards and Technology
- National Institutes of Health
- National Institutes of Health Library，NIH Library
- national integrated planning of water resources
- national integrity system
- National Intellectual Games
- National Inter-City Games of the People's Republic of China